diff --git a/src/mainboard/google/chell/devicetree.cb b/src/mainboard/google/chell/devicetree.cb
index 34250d3450..2ffaec6946 100644
--- a/src/mainboard/google/chell/devicetree.cb
+++ b/src/mainboard/google/chell/devicetree.cb
@@ -183,6 +183,8 @@ chip soc/intel/skylake
 	# PL2 override 15W
 	register "tdp_pl2_override" = "15"
 
+	register "tcc_offset" = "10"     # TCC of 90C
+
 	# Send an extra VR mailbox command for the supported MPS IMVP8 model
 	register "SendVrMbxCmd" = "1"